Roller-gin



-2 Sheets-Sheet '1" (No Model.)

1). s. 011mm.

ROLLER GIN.

Patented Mar. 26,1889.

I: PETERS. Phul er, Wnahinglom DIC UNITED STATES PATENT OFFICE.

DANIEL S. CHAPIN, OF MILFORD, MASSACHUSETTS.

ROLLER-GIN.

SPECIFICATION forming part of Letters Patent No. 400,190, dated March26, 1889.

Application filed August 16, 1888- Serial No. 282,842. (No model.)

To all what/1 it Hwy concern:

Be it known that I, DANIEL SIMEON GHA- PIN, of Milford, in the county ofWorcester and State of Massachusetts, have invented a new and usefulImprovement in Roller-Gins, of which the following is a specification,ref,- erence being had to the accompanying drawings, in which- Figure 1is a broken front elevation, Fig. 2 a broken plan, and Fig. 3 a brokenrear elevation, of a gin embodying my invention. Fig. 4 is a section online 4 4 of Fig. 2, and Fig. 5 is a section on line 5 5 of Fig. 1.

The object of my invention is to produce a gin in which the seeds areeffectually separated from the cotton without injury to the staple orfiber; and my invention consists, mainly, in the combination of the maincylinder, seedarrester, and beater shown in Patent No. 284,223, datedSeptember 4, 1883, with a fan arranged to prevent the cotton frompassing over the beater, as more fully explained hereinafter.

Another feature of my invention relates to quickening the feed, andconsists in the combination, with the cylinder, seed-arrester, andbeater, of a hood, through which a draft of air is maintained.

In the drawings, A is the main frame; B, the main cylinder; D, thebeater, and G the seed-arrester, these parts being substantially asshown in Patent No. 284223.

F is the fan. Cylinder B, beater D, and fan F are mounted on the mainframe, and are respectively rotated, as indicated by arrows in Fig. 4.Cotton to be ginned is fed to the main cylinder from chute H, ofordinary construction, and portions of it are carried by the rotation ofcylinder B under s eed-arrester G, held up to its work by springs g,substantially as in the Osgood patent, No. 284,223. The beater D stripsthe seeds from the cotton, and the fan F prevents the unginned cottonfrom passing over the beater D. This combination of the fan with thebeater, the main cylinder, and seed-arrest-er is the main novelty of myinvention, and is a highly-important improvement on machines of thisclass.

Hitherto in Osgoods gin, described in Patent No. 284,223, on which ginmine is an improvement, some of the unginned cotton has Another featureof my invention is the combination of the beater, seed-arrester, andmain cylinder with a hood, J, and draft-pipe j, in

which a current of air is maintained in the direction shown by the arrowin the pipe j in Fig. 4 by means of any suitable contrivance say, forexample, by means of a fan in the pipe, the fan being constructed andarranged in the pipe in a way too well known to require description-andthis draft aids in drawing the cotton toward the seed-arrester and maincylinder, and thereby greatly increases the capacity of the gin.

The hood is mounted on the frame of the machine and covers the rotaryparts above referred to in a well-known way; and as the pipe in whichthe draftreferred to opens. out of the chamber formed by the hood andother parts of the machine the operation of the draft-creating apparatusin the, pipe sucks in air through chute H, in which the cotton to beginned is placed,and so aids in drawing the light fibers toward theseed-arrester and cylinder, as above stated. The cylinder B is bestprovided with longitudinal grooves b, forming a roughened surface, onwhich the fibers are caught as the cylinder rotates.

The hood J is conveniently formed of side pieces, 1, attached tothesides of the machine and projecting above the fan, and the curvedpiece 3, the lower edge of which is supported bya cross-piece, 4, (seeFig. 4,) the upper portion resting upon the side pieces, 1. The sidepieces, 1, are provided with springs 2, projecting above them andadapted to pass through the holes in the part 3 to keep the part 3 inplace on its supports 1 1 and 4. As shown in the drawings, the part 3extends from the cross-piece 4 upward and forward over the hood andreaches from one side of the machine to the other side thereof.

In practice I drive the fan, beater, main cylinder, and doifer by aseries of belts, a, and pulleys a, the stud '5, which is secured to theframe of the machine, carrying two pulleys, a, one of which is belted toa pulley, a, on the journal 6 of the cylinder B, while the other pulley,a, on the stud 5 is belted to a pulley, a, on the shaft '7 of beater D,this shaft 7 being provided with another pnlleyga, beater and thequantity of cotton ginned in 15 at its opposite end, which belted to apula given time is greatly increased. ley on the journal Set the doliferI, with which \Vhat I claim is my machineis providechthe dofler havingthe 1. The combination of the main cylinder 5 usual projections, i. Theshaft 7 carries an- B, beater D, seedarrester l, and fan F, subotherpulley, 7 7, from which a belt runs to a stant-ially as and for thepurpose set forth. 2o

pulley on. the journal 9 of the fan 1. lhe

he combination of the main cylinder i l), beater D, seed-arrester G, andhood J, provided with draft-pipe j, substantially as and i for thepurpose set forth.

shatter journal 7 is bolted to a driving-shaft, and thus motion istransmitted to all the parts of my machine, as will be readily un l).ClIAPIN.

dei'stood without further description. I

The main advantage of machines embodyin g my invention is that theunginned cotton is effectually prevented from going over the Q\Vitnesses:

.T. E. MAYNADIER, JOHN R. SNOW,

